CN210171629U

CN210171629U - Liquid nitrogen pulverizer

Info

Publication number: CN210171629U
Application number: CN201920220454.8U
Authority: CN
Inventors: Jinsong Ma; 马锦松; Guorui Zhang; 张国瑞
Original assignee: Langfang Xinlong Machinery Manufacturing Co Ltd
Current assignee: Langfang Xinlong Machinery Manufacturing Co Ltd
Priority date: 2019-02-21
Filing date: 2019-02-21
Publication date: 2020-03-24
Anticipated expiration: 2029-02-21

Abstract

The utility model discloses a liquid nitrogen rubbing crusher, including frame, liquid nitrogen case, freezer, rubbing crusher, compressor, cyclone, rotary valve and honeycomb duct, the feed inlet of freezer passes the frame upper surface, rubbing crusher sets up the interior bottom surface of frame, the compressor sets up right side surface in the frame, cyclone sets up the interior bottom surface of frame, the suit wheel sets up on the connecting axle, the fan sets up the suit takes turns to, the fan sets up the interior bottom surface of honeycomb duct, the suit on the fan the action wheel, from the driving wheel setting on the connecting axle and with the action wheel position is corresponding, the conveyer belt suit be in the action wheel with from between the driving wheel. The utility model discloses in blowing in the rubbing crusher with the liquid nitrogen is supplementary, make the velocity of flow of liquid nitrogen accelerate, prevent that the spring flow effect from taking place for the liquid nitrogen blows in the rubbing crusher like the air.

Description

Liquid nitrogen pulverizer

Technical Field

The utility model belongs to the technical field of liquid nitrogen rubbing crusher technique and specifically relates to a liquid nitrogen rubbing crusher is related to.

Background

The liquid nitrogen (cryogenic) pulverizer is a special pulverizer used in food and medicine processing. During use, liquid nitrogen is fed into the pulverizer body and the storage bin.

In the liquid nitrogen (cryogenic) pulverizers, the liquid nitrogen entering the pulverizer is directly fed into the pulverizer by one pipe. In multiple tests, the conditions of spring flow and bubbling are found to be slow in phase change when liquid nitrogen enters a storage bin; heat (cold) exchange is slow, but not sufficient; the operation preparation time is too long, and a cold source (energy source) is wasted, so that the liquid nitrogen needs to be blown into the pulverizer in an auxiliary mode, the flow rate of the liquid nitrogen is accelerated, the spring flow effect is prevented, and the liquid nitrogen is blown into the pulverizer like air.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to overcome current defect, provide a new liquid nitrogen rubbing crusher to solve above-mentioned problem.

In order to achieve the above object, the utility model provides a following technical scheme: a liquid nitrogen pulverizer comprises a frame, a liquid nitrogen box, a freezing box, a pulverizer, a compressor, a cyclone separator, a rotary valve and a flow guide pipe, wherein the frame is a rectangular frame body, the liquid nitrogen box is arranged on the inner bottom surface of the frame, the freezing box is arranged on the inner upper surface of the frame, a feed inlet of the freezing box penetrates through the upper surface of the frame, the pulverizer is arranged on the inner bottom surface of the frame, the compressor is arranged on the right side surface of the frame, the cyclone separator is arranged on the inner bottom surface of the frame, the flow guide pipe is respectively connected between the liquid nitrogen box and the freezing box, between the liquid nitrogen box and the pulverizer, between the feed inlet of the freezing box and the pulverizer, between the freezing box and the compressor, between the compressor and the cyclone separator, between the cyclone separator and the pulverizer, the discharge port of the freezing box is connected with an inclined conveying auger, the conveying end of the inclined conveying auger is connected with the pulverizer through the guide pipe, the guide pipe is positioned in the freezing box and the pulverizer and is provided with a liquid nitrogen conveying device, the liquid nitrogen conveying device comprises a partition plate, an air passing hole, a connecting shaft, a sleeved wheel, a fan, a driving wheel, a driven wheel and a conveying belt, the partition plate is horizontally arranged in the guide pipe, the air passing hole is formed in the partition plate, the connecting shaft is horizontally arranged in the guide pipe, the sleeved wheel is arranged on the connecting shaft, the fan is arranged on the sleeved wheel, the fan is arranged on the inner bottom surface of the guide pipe, the driving wheel is sleeved on the fan, the driven wheel is arranged on the connecting shaft and corresponds to the driving wheel in position, the transmission belt is sleeved between the driving wheel and the driven wheel.

Preferably, the draft tube is positioned at one end of the freezing box and extends out of the frame.

Preferably, a fixing frame is arranged between the connecting shaft and the flow guide pipe, and the connecting shaft is fixed in the flow guide pipe through the fixing frame.

Preferably, the four corners of the lower surface of the frame are provided with supporting vertical feet.

Preferably, the lower end of the cyclone separator extends out of the lower end surface of the frame.

Compared with the prior art, the beneficial effects of the utility model are that: the liquid nitrogen is blown into the pulverizer in an auxiliary mode, so that the flow speed of the liquid nitrogen is accelerated, the spring flow effect is prevented, and the liquid nitrogen is blown into the pulverizer like air.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of a liquid nitrogen pulverizer;

FIG. 2 is an enlarged view of a portion of a liquid nitrogen pulverizer;

shown in the figure: 1. a frame; 2. a liquid nitrogen tank; 3. a freezer; 4. a pulverizer; 5. a compressor; 6. a cyclone separator; 7. rotating the valve; 8. a flow guide pipe; 9. inclined conveying auger; 10. a partition plate; 11. air passing holes; 12. a connecting shaft; 13. sleeving a wheel; 14. a fan; 15. a fan; 16. a driving wheel; 17. a driven wheel; 18. a conveyor belt; 19. a fixing frame.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a liquid nitrogen rubbing crusher, includes frame 1, liquid nitrogen case 2, freezer 3, rubbing crusher 4, compressor 5, cyclone 6, rotary valve 7 and honeycomb duct 8, frame 1 is the rectangle support body, liquid nitrogen case 2 sets up bottom surface in the frame 1, freezer 3 sets up the interior upper surface of frame 1, the feed inlet of freezer 3 passes frame 1 upper surface, rubbing crusher 4 sets up the interior bottom surface of frame 1, compressor 5 sets up right side surface in the frame 1, cyclone 6 sets up the interior bottom surface of frame 1, honeycomb duct 8 is connected respectively liquid nitrogen case 2 with between the freezer 3, liquid nitrogen case 2 with between rubbing crusher 4, the feed inlet of freezer 3 with between the rubbing crusher 4, between freezer 3 and the compressor 5, The device comprises a compressor 5, a cyclone separator 6, a pulverizer 4, a freezing box 3, an inclined conveying auger 9, a guide pipe 8, a liquid nitrogen conveying device, a connecting shaft 12, a sleeving wheel 13, a fan 14, a fan 15, a driving wheel 16, a driven wheel 17 and a conveying belt 18, wherein the inclined conveying auger 9 is connected at a discharge port of the freezing box 3, the conveying tail end of the inclined conveying auger 9 is connected with the pulverizer 4 through the guide pipe 8, the guide pipe 8 is positioned in the freezing box 3 and the pulverizer 4, the liquid nitrogen conveying device comprises a partition plate 10, an air passing hole 11, the connecting shaft 12, the sleeving wheel 13, the fan 14, the air passing hole 11 is formed in the partition plate 10, the connecting shaft 12 is horizontally arranged in the guide pipe 8, the sleeving wheel 13 is arranged on the connecting shaft 12, and the fan 14 is arranged on the sleeving wheel 13, the fan 15 is arranged on the inner bottom surface of the draft tube 8, the driving wheel 16 is sleeved on the fan 15, the driven wheel 17 is arranged on the connecting shaft 12 and corresponds to the driving wheel 16 in position, and the conveying belt is sleeved between the driving wheel 16 and the driven wheel 17.

In this embodiment, the honeycomb duct 8 is located the one end of freezer 3 stretches out frame 1, connecting axle 12 with be provided with mount 19 between the honeycomb duct 8, connecting axle 12 passes through mount 19 is fixed in the honeycomb duct 8, the lower surface four corners department of frame 1 all is provided with the support and stands the foot, the lower extreme of cyclone 6 stretches out the lower terminal surface of frame 1.

When in specific use: the raw materials are put into the freezing box 3, the raw materials are conveyed through the inclined conveying auger 9 after being put into the freezing box 3 and then enter the pulverizer 4 for pulverization, the raw materials are discharged from the rotary valve 7 after being processed through the cyclone separator 6, in the pulverizing process, liquid nitrogen in the liquid nitrogen box 2 flows into the freezing box 3 and the pulverizer 4 through the guide pipe 8 to be cooled respectively, in the conveying process, the driving wheel 16 is driven to rotate through the fan 15, the driven wheel 17 is driven to rotate through the conveyor belt 18, the connecting shaft 12 rotates on the fixing frame 19 at the moment, the fan 14 is driven to blow the liquid nitrogen, the flow speed of the liquid nitrogen is accelerated, heat exchange is carried out by the compressor 5 after the flow guide of the guide pipe 8, the raw materials enter the cyclone separator 6 and are finally discharged from the rotary valve 7.

Finally, it should be further noted that the above examples and descriptions are not limited to the above embodiments, and technical features of the present invention that are not described may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only for illustrating the technical solutions of the present invention and not for limiting the present invention, and the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that changes, modifications, additions or substitutions within the spirit and scope of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and the present invention should also fall within the scope of the claims of the present invention, and the above embodiments are only given as an arbitrary example of one currently used embodiment.

Claims

1. The utility model provides a liquid nitrogen rubbing crusher, includes frame (1), liquid nitrogen case (2), freezer (3), rubbing crusher (4), compressor (5), cyclone (6), rotary valve (7) and honeycomb duct (8), frame (1) is the rectangle support body, liquid nitrogen case (2) set up bottom surface in frame (1), freezer (3) set up the interior upper surface of frame (1), the feed inlet of freezer (3) passes frame (1) upper surface, rubbing crusher (4) set up the interior bottom surface of frame (1), compressor (5) set up right side surface in frame (1), cyclone (6) set up the interior bottom surface of frame (1), honeycomb duct (8) are connected respectively liquid nitrogen case (2) with between freezer (3), Liquid nitrogen case (2) with between rubbing crusher (4), the feed inlet of freezing case (3) with between rubbing crusher (4), between freezing case (3) and compressor (5), compressor (5) with between cyclone (6), cyclone (6) with between rubbing crusher (4), its characterized in that, the discharge gate department of freezing case (3) is connected with slope and carries hinge dragon (9), the transport of slope transport hinge dragon (9) terminal with pass through between rubbing crusher (4) honeycomb duct (8) are connected, honeycomb duct (8) are located freezing case (3) and rubbing crusher (4) department is provided with liquid nitrogen conveyor, liquid nitrogen conveyor includes division board (10), crosses wind hole (11), connecting axle (12), suit wheel (13), fan (14), Fan (15), action wheel (16), follow driving wheel (17) and conveyer belt (18), division board (10) level sets up in honeycomb duct (8), air hole (11) are opened on division board (10), connecting axle (12) level sets up in honeycomb duct (8), suit wheel (13) set up on connecting axle (12), fan (14) set up on suit wheel (13), fan (15) set up the interior bottom surface of honeycomb duct (8), the suit is gone up in fan (15) action wheel (16), follow driving wheel (17) and set up on connecting axle (12) and with action wheel (16) position is corresponding, the conveyer belt suit be in action wheel (16) with between follow driving wheel (17).

2. A liquid nitrogen pulverizer as claimed in claim 1, wherein said draft tube (8) is extended from said frame (1) at one end of said freezing chamber (3).

3. The liquid nitrogen pulverizer as claimed in claim 1, wherein a fixing frame (19) is provided between the connecting shaft (12) and the flow guide pipe (8), and the connecting shaft (12) is fixed in the flow guide pipe (8) through the fixing frame (19).

4. The liquid nitrogen pulverizer as claimed in claim 1, wherein the four corners of the lower surface of the frame (1) are provided with supporting feet.

5. A liquid nitrogen pulverizer as claimed in claim 1, wherein the lower end of said cyclone (6) protrudes from the lower end surface of said frame (1).